1445002961671 has 4 divisors (see below), whose sum is σ = 1462412635992. Its totient is φ = 1427593287352.

The previous prime is 1445002961669. The next prime is 1445002961681. The reversal of 1445002961671 is 1761692005441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1445002961671 - 2¹ = 1445002961669 is a prime.

It is a super-2 number, since 2×1445002961671² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445002961681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8704837036 + ... + 8704837201.

It is an arithmetic number, because the mean of its divisors is an integer number (365603158998).

Almost surely, 2^{1445002961671} is an apocalyptic number.

1445002961671 is a deficient number, since it is larger than the sum of its proper divisors (17409674321).

1445002961671 is an equidigital number, since it uses as much as digits as its factorization.

1445002961671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17409674320.

The product of its (nonzero) digits is 362880, while the sum is 46.

The spelling of 1445002961671 in words is "one trillion, four hundred forty-five billion, two million, nine hundred sixty-one thousand, six hundred seventy-one".